基于嵌入式S3C6410的H.264视频采集系统设计  

Design of Embedded Video Surveillance System Based on S3C6410 and H.264

作　　者：张洪涛[1] 胡顺兴[1] 詹云峰[1] 龚力[1] 李奇风[1] 张珠[1] 颜贝 

机构地区：[1]湖北工业大学电气与电子工程学院,湖北武汉430068

出　　处：《湖北工业大学学报》2016年第2期68-72,共5页Journal of Hubei University of Technology

基　　金：武汉市十城千辆新动力汽车计划项目(2013011801010600);大学生创业实践项目(201410500040)

摘　　要：为解决视频采集系统成本较高,耗费大量人力资源,视频占用空间大等缺陷,设计的系统以S3C6410为硬件平台和Linux操作系统为软件平台,通过外接USB摄像头采集视频数据,并采用H.264压缩算法来提高了编码效率,最后以AVI视频格式存储视频。论述了V4L2的视频采集过程,针对x264编码速度慢、复杂耗时的特点,提出了一种改进型的率失真优化策略。最后经测试结果显示视频采集系统采集速度快,存储空间小,准确,稳定,实时性强,达到预期效果。In view of the large video space and the high cost of the traditional video monitoring,the system attempts to encode the data with H.264 and improve the efficiency of encoder to store video in AVI video format via an external USB camera capture video data with the S3c6410 processor.After describing the slow encoding and time consuming of x264 in the process of capturing V4L2 video,this paper proposes an improved-rate distortion optimization strategy.The test results prove that the video capture system is fast,accurate and stable with small storage space,and it achieves the expected requirements.

关 键 词：S3C6410 视频采集系统 H.264 V4L2 RDO 

分 类 号：TP316.14[自动化与计算机技术—计算机软件与理论]